What best describes viruses are-there are non-living. Viruses cannot replicate on their own. They need a host cell in order to survive. Antibiotics kill bacteria but not viruses. Antivirals and vaccines are a way to stop viruses.
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The question is incomplete. The complete question is as follows:
planet a: mass 3,500 kg
planet b: mass 50,000 kg
planet c: mass 750 kg
planet d: mass 100,000 kg
a)planet a
b) planet b
c) planet c
d) planet d
Answer:
Planet d.
Explanation:
The universe consists of the sun, planets, galaxies and stars with all other dust particles. Mercury is the closest planet to the sun. Earth is the only planet that supports the life.
The force of gravity can be calculated by the formula,
F =
From the formula it is clear that the mass of the planet is directly proportional to the force of gravity.
Here, the distance is same. So the planet with the largest mass has highest force of gravity. Among the given options planet (d) will experience the strongest force of gravity.
Thus, the correct answer is option (d).
Ans.
Ruminants are those animals that gain nutrients from plant-products or foods by fermenting them in ruminant compartment before digestion. Ruminant compartment is made up of four chambers, rumen, reticulum, omasum, and abomasusm. The smallest ruminant compartment is reticulum, which helps in separation of smaller and larger food particles during digestion.
Thus, the correct answer is option D). 'reticulum.'